Actively maintained are:
-
SLE15 and higher ->
master
-
SLE12 ->
sles12-sp3 and sp4
github branches -
Factory -> opensuse Tubleweed
sle15 and sle12 have completely different design and also, the ruby supported is quite different
For anyone looking to package Hawk for distributions, the best approach is probably to look at the RPM packaging at the SUSE Open Build Service and begin from there: